*
Distance(mm)	Rockwell Scale: C
    0.00	   34.60
    1.59	   51.50
    3.17	   58.30
    4.76	   56.30
    6.35	   55.90
    7.94	   56.60
    9.52	   56.50
   11.11	   54.80
   12.70	   54.00
   14.29	   54.40
   15.87	   55.00
   17.46	   55.40
   19.05	   57.60
   20.64	   57.30
   22.22	   57.30
   23.81	   56.70
   25.40	   55.10
   31.75	   49.60
   38.10	   49.00
   44.45	   43.90
   50.80	   42.60
   63.50	   36.50
   73.02	   33.40